Aeroplane



Aug; 8, 1931. P. A. PETERSON 1,819,262

AEROPLANE Filed May 16, 1930 2 Sheets-Sheet l INVENTOR E1? 1?PZ'TE/FSO/Y W (/WM ATTORN 3 P. A. PETERSON 1,819,262

AEROPLANE Filed May 16. 1930 2 Sheets-Sheet 2 30 INVENTOR Pf H PA 72 350ATTOR Patented Aug. 18, 1931 UNITED STATES PER A. ?ETERSON, OF NEW YORK,N. Y.

AEROPLANE Application filed May 16,

My invent-ion relates to aeroplanes.

The object of my invention is to provide means for removin frost andsnow from the edges and upper side surfaces of the wings by mechanicalmeans.

Referring to the drawings which form a part of these specifications:

Fig. 1 is a plan view of the body and wings of an aeroplane, showing oneform of my lo device mounted thereon.

Fig. 2 is a side view.

Fig. 3 is a cross sectional view on line 3-3 of Fig. 1.

Fig. 4 is a cross sectional view thru the w wings,.on line 4-4 of Fig.1.

Fig. 5 is a side view, taken on line 5-5 of Fig. 1, the side of thebodyportion being shown partly in section to disclose the mechanism mountedtherein.

go Fig. 6 is a cross sectional view, taken on line 6-6 of Fig. 5, thruthe body and wings of the machine.

Fig. 7 is a sectional plan view, taken on line 7-7 of Fig. 6.

10- indicates the body portion of the aeroplane, which may be made inthe usual manner heretofore known, on which my device may be installed.

11- indicates the wings of the plane.

12- indicates a pair of V-shaped scrapers, which are mounted on theupper ends of shafts 13- which extend thru the top 14.- of the bodyportion, and are formed square in cross section as illustrated at 15-.

Hub-plates 16- having a depending hub portion 17- are carried by theshafts 13-, the hub being formed to fit over the squared ends of theshafts, as shown. The scrapers 12- are mounted on the hub plates andriveted or otherwise suitably attached firmly thereto, and nuts 18- arescrewed on the shafts above the scrapers to hold the parts together inseparable relation, but if preferred, the said parts may be permanentlyconnected by welding, or other proper process.

The scrapers are preferably made of strong sheet aluminum alloy, and aresupported on the shafts so that the outer scraping edges of the scrapersmay be moved over 1930. Serial No. 452,863.

the top of the wings in close proximity to the surface thereof out ofcontact therewith.

The outer edges of the scrapers are formed with downwardl extendingwalls 19-, which serve to sti en and strengthen the construction.

Attached to the ends of the wings are slotted metal guide members 20-thru which the ends 21- of the scrapers project, to guide and supportthe scrapers. These guide mem- 50 bers are attached to the frame whichsupports the wing covering material, and may be made of sheet metal orcast in aluminum alloy.

The middle portions of the scrapers are cut away as shown in Figure 1-,to reduce the weight, and also to remove as much top surface. aspossible, on which snow might otherwise collect. The adjacent endportions of the scrapers extend beyond the front 7 and back edges of thewings, as shown at 22- so that the edge portions 23- will extend beyondthe edges 24- and 25- of the wings, when in o eraiton.

Spring uifers 26- are attached to the wings and rest in the path of thescrapers as illustrated, to prevent shock, as will be readilyunderstood.

A flange'27- is carried on the lower end of each of the shafts 13-, andrest on ball so bearings 28- which in turn rest in a groove formed inthe upper side of a flange 29- supported on the floor of the bodyportion.

Connected to each shaft 13- is an arm 30-, on which is mounted a casting31- provided with a bifurcated extension in which is fitted one end of aconnecting-rod 32- held by a wrist-pin 3-1- indicates pillar blocks,having hearings in their upper ends for a cross-shaft 35- which extendstherethru and carries a crank 36- on each end, which are connected inoperative relation with the connecting-rods 32-. i

A shaft 37- driven by the engine which 1 drives the propeller 38-,carries a clutch 39- near its free end, which slides on the shaft 37-and is driven by a feather in the usual way, and'is operated by ahand-lever 40- thru the lever elements 41- and 42-, as will be readilyunderstood.

Mounted on the shaft is a pinion gear wheel 43- driven by the clutchmember, and in mesh with a larger gear wheel 441 fixed on the shaft 35to drive said shaft at a reduced speed.

While I have shown a construction which embodies n1 invention, I amaware that a number of c anges and modifications may be made if desired.The buffers 26- may be dispensed with and equivalent means for thispurpose may be connected to the shafts l3 in the form ofshock-absorbers. Also, the scrapers may be provided with gear teeth ontheir adjacent edges 45 and 46- and arranged in mesh so that one shaft13 may drive both scrapers. Also the scrapers may be joined together anddriven by a single shaft connected at its centre, one edge of a scraperover one wing being at the front edge of the wing while the back edge ofa scraper 0er the other wing, is at the back edge there- 0 etc.

Such changes are easily understood by those skilled in the mechanicalarts.

The operation of the present-construction herein shown, is as follows:

Assuming the engine to be running, and the clutch disconnected; theoperator pulls the Fever 40 to draw the clutch member 39- in gear, thustransmitting power to pinion 43, gear wheel 44, shaft 35- and cranks 36-to the connecting rods 32- and shafts 13, to impart motion to thescrapers 12, as will be readil understood.

In cold climates, w en it snows, the front edges of the wings collectsnow and ice, and snow and ice also settle on the top of the wings thusmaking it dangerous for the pilot in handling the machine, and thepresent invention is designed to prevent such collection by cuttingunder the snow and thus permitting the air currents to carry it away.

Having thus described my invention, I claim as new:

1. An aeroplane comprising a body portion, wings thereon, a scrapermounted above said Wings adjacent thereto, and means for moving saidscraper. r I

2. An aeroplane comprising a body portion, wings thereon, a scrapermounted above said wings adjacent thereto, and means for transmittingmotion to said scraper.

3JAs stated in claim 2; and driving means comprising a clutch forconnecting said scraper in separable relation therewith.

4. As stated in claim 1; and guide members for guiding and supportingthe scraper.

5. An aeroplane comprising a body portion, wings thereon, a scrapermounted above said wings adjacent thereto comprising two scraperelements, and means for transmitting motion from a source of power tosaid elements.

6. As stated in claim 5; and means for guiding and supporting saidscraper elements.

7. An aeroplane comprising a body portion, wings thereon, two shaftsextending above said wings, a scraper element mounted on the upper endof each of said shafts adjacent to the upper side of said wings, andmeans for transmitting motion from a prime mover to said shafts to movesaid scrapers.

8. As stated in claim 7; and means for guiding and supporting saidscrapers.

9. An aeroplane comprising a body ortion, wings thereon, shaftsextending a ve said wings, scraper elements mounted on said shafts,means for transmitting movement to said shafts and alternately reversethe rotational movement thereof, and means for guiding and supportingsaid scraper elements.

10. As stated in claim 9; and shock absorbing means for said scraperelements.

In testimony whereof I have affixed my signature.

PER A. PETERSON.

